Rear fascia bumper



FIG. 1 is a perspective view of a rear fascia bumper showing the new design, it being understood that the vehicle shown fitted with the bumper is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front view of the new design thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof. 

The ornamental design for a rear fascia bumper, substantially as shown and described. 